Base | Representation |
---|---|
bin | 1000001001100… |
… | …11011100101010 |
3 | 11202122110111110 |
4 | 10010303130222 |
5 | 120000240140 |
6 | 10441211150 |
7 | 1460056053 |
oct | 404633452 |
9 | 152573443 |
10 | 68368170 |
11 | 35657022 |
12 | 1aa90ab6 |
13 | 11219b50 |
14 | 911972a |
15 | 6007380 |
hex | 413372a |
68368170 has 32 divisors (see below), whose sum is σ = 176706432. Its totient is φ = 16828992.
The previous prime is 68368163. The next prime is 68368171. The reversal of 68368170 is 7186386.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (68368171) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87262 + ... + 88041.
It is an arithmetic number, because the mean of its divisors is an integer number (5522076).
Almost surely, 268368170 is an apocalyptic number.
68368170 is an abundant number, since it is smaller than the sum of its proper divisors (108338262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68368170 is a wasteful number, since it uses less digits than its factorization.
68368170 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175326.
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 68368170 is about 8268.5047015769. The cubic root of 68368170 is about 408.9008234293.
The spelling of 68368170 in words is "sixty-eight million, three hundred sixty-eight thousand, one hundred seventy".
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